Professor Coe’s numbers are small. But his methods were careful, and the results tally with what one might expect; and they seem, on the whole, to justify his practical conclusion, which is that if you should expose to a converting influence a subject in whom three factors unite: first, pronounced emotional sensibility; second, tendency to automatisms; and third, suggestibility of the passive type; you might then safely predict the result: there would be a sudden conversion, a transformation of the striking kind.